The short version
Around Casper, the most common animals are raccoons, squirrels and skunks. Identify yours first. Then get it out and seal the gap.
- Never handle a wild animal.
- Figure out which animal it is first.
- Check for babies before sealing.
- Use metal mesh, not foam.
- Secure trash and pet food.
Anyone in Casper dealing with wild animals around the house.
What to look for
Around Casper, the usual animals are raccoons, squirrels, skunks and bats. Each one gets in differently and needs a different fix. Babies are usually born from about April through June.
- 1Scratching or thumping in the attic.
- 2Torn vents, soffits or shingles.
- 3A musky or skunky smell.
- 4Dug holes under decks or sheds.
- 5Trash bins knocked over.
- 6Droppings on decks or in the attic.
Why it’s worth acting soon
- Chewed wires and damaged insulation.
- Droppings that can spread disease.
- Babies make removal harder.
- Rabies risk from bites.
Treatment options and typical costs
Inspection and Species Identification
$100–$300
The inspection is the cheapest step, and it prevents mistakes. Ask for entry-point photos and a written, ordered plan.
- Time
- 60–120 minutes
- Best for
- Every job; the species decides the method
Humane Live Trapping and Removal
$150–$500 per animal, plus trip fees
Traps go near the entry and get checked daily. Ask what happens to the animal afterward.
- Time
- Several days to two weeks
- Best for
- Animals already inside or denning under structures
One-Way Doors and Eviction
$200–$600
Timing matters in Casper: eviction doors are not used during birthing season if young are present, because the mother leaves and the babies cannot. A provider should confirm no litter is inside before installing one.
- Time
- 3–7 days
- Best for
- Squirrels, raccoons, and birds using a single main entry
Exclusion Repairs (Chimney Caps, Vent Screens, Foundation Mesh)
$300–$2,500+ depending on scope
Chimney caps are the single most common exclusion repair in Casper: an uncapped flue is an open invitation to raccoons, squirrels, and chimney swifts. A stainless spark-screen cap solves it in an hour.
- Time
- Half a day to two days
- Best for
- Sealing the home after animals are out
Prices are typical published ranges. Ask what’s included before you compare quotes.
In the attic, look for flattened insulation, droppings and nests. Leave big cleanups to someone with the right gear.Animals around Casper.
Around Casper, the most common animals are raccoons, squirrels, skunks and bats.
Local wildlife conditions in Casper.
An inspection in Casper usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Casper's seasonal timing lets you schedule treatment before the busy stretch rather than after it, which usually means faster service and a more accurate quote. A provider who works Casper and Wyoming every day can point out the specific conditions that matter most here, and getting the scope, price, and follow-up terms in writing makes it easier to compare options. Casper sits in a semi-arid continental climate, and that sets the pace for wildlife activity here: spring denning and fall (animals seek winter shelter). For Casper homes, the area is mostly suburban, so wildlife pressure can differ from one block to the next depending on how tight the entry points are and how much food, water, or shelter is close by.
Walk the foundation with a flashlight. Gaps at ground level let animals under the house.What’s that noise?
- Heavy thumps at night: raccoons. - Rustling at dusk at the roof edge: bats. - A strong smell under the deck: skunks. - Quick scurrying at dawn and dusk: squirrels.
Baby season.
Never seal a hole while babies are still inside. Bat exclusion waits until pups can fly, usually by mid-August. Around Casper, most babies are born from about April through June. Mothers look for warm, dry spots like attics and chimneys.
A year of wildlife in Casper.
- Summer: highs near 88°F in Casper. Animals roam at night. - Fall: animals hunt for winter dens. Seal gaps now. - Winter: lows near 14°F in Casper. Animals den up in attics. - Spring: babies are born from about April through June. Don't seal while young are inside.
Raccoons.
They tear open vents and roof edges. Never handle one. Heavy thumps at night usually mean a raccoon.
Tree squirrels.
Squirrels are busy at dawn and dusk. They chew small gaps into bigger holes, and wires too.
Skunks.
Skunks den under decks, sheds and porches. A strong smell after dark is the giveaway.
Bats.
Bats slip through gaps as small as a thumb. Look for droppings under a gap at the roofline.
Getting them out the right way.
- Check: look for babies first. - Door: a one-way door lets the animal leave. - Seal: heavy metal mesh on every gap. - Recheck: make sure nothing is trying to get back in. - Identify: figure out which animal it is.
Where animals get in.
- Gaps where the roof meets the wall. - Uncapped chimneys. - Crawl-space doors and foundation vents. - Under decks, porches and sheds. - Roof vents and soffit corners.
If an animal gets inside the house.
Keep kids and pets away. Is it a bat, and was someone asleep there? Call your health department first. Close interior doors so it stays in one room. Open an outside door or window in that room, then leave.
Droppings and cleanup.
- Wear gloves, a mask and old clothes. - Wet droppings down, then bag them. - Large attic messes are a job for pros. - Don’t sweep or vacuum droppings dry.
Keeping your yard less inviting.
- Pets: feed them indoors. - Birds: use a seed tray, and sweep up spills. - Fruit: pick up what falls. - Cover: clear brush and wood piles near the house. - Trash: locking lids, or keep bins in the garage.
Wildlife myths.
- Moving them is kind: often illegal, and babies get left. - Mothballs drive them out: they don’t, and they’re a health hazard. - Lights and radios work: only briefly. - Out in daylight means rabid: not always; mothers forage by day.
Birds in vents and chimneys.
Wait until the young have flown. Then fit a vent cover that still lets air out. Starlings and sparrows love dryer and bath vents. Most native birds are protected while nesting.
If an animal seems sick.
animal control or your local health department. Don't try to trap or touch it. Staggering, circling or acting unafraid can mean illness. Keep people and pets inside.
Pets and wildlife.
Bring pets in at night. your vet if your pet tangles with a wild animal. Keep pets' rabies shots up to date.
What a wildlife visit looks like.
They set a one-way door or trap. Later, they come back and seal up. Cleanup comes last. The tech walks the roofline and the foundation. They look for tracks, droppings and torn vents.
If a skunk sprays.
- Tomato juice: it doesn’t really work. - Eyes: keep the mix out; rinse with cool water. - Clothes: wash with baking soda added to the load. - Under the house: air it out; the smell fades over days. - People and pets: wash with peroxide, baking soda and dish soap.
Babies found alone.
Hurt or clearly orphaned? Call a wildlife rehabilitator. Baby animals alone are often just waiting for a parent. Leave them be and watch from a distance for a day.
Fencing that works.
- Climbers: an electric wire near the top stops raccoons. - Gardens: hardware cloth beats chicken wire. - Gates: keep gaps underneath to a couple of inches. - Diggers: bury wire mesh a foot down, bent outward.
Questions to ask before you sign.
- Where is it getting in? - How will you handle babies? - What happens to the animal? - What will you seal with? - Is cleanup included? - Which animal is it?
What affects the price
- Trip fees for daily trap checks over multiple days.
- Protected bird species requiring seasonal timing.
- Follow-up visits included in the quoted price.
- Presence of a raccoon latrine requiring special cleanup.
- Damage to ductwork, wiring, or vents needing repair.
- Permit, relocation, or disposal rules in your state.
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What worries you most about wildlife?
When to call for help
Call if an animal is in the attic, walls or chimney. right away if one acts sick or aggressive. Babies and droppings need careful handling.
What you can do yourself
Getting an animal out of the house is a pro's job. Never corner or handle one. Secure trash, bring in pet food and trim branches.
Wildlife in Casper
Winter lows near 14°F in Casper send animals into attics and crawl spaces in fall. With only about 12 inches of rain a year in Casper, animals go looking for water near homes. In Wyoming, skunks and bats carry most rabies. In Casper's neighborhoods, decks, sheds and trash bins draw animals in. Casper has a semi-arid continental climate, and wildlife activity here tends to pick up spring denning and fall (animals seek winter shelter). For Casper homes, most of the housing is suburban, so the usual entry points, moisture spots, and sheltered areas near the structure are what an inspection checks first. For Casper homes, take a minute to note where you have seen activity and when it appears, so the inspection is faster and the quote more accurate. A local provider who knows Casper and Wyoming can point out the specific conditions that matter most here before you commit to a plan.
Local research
Wildlife in Casper, WY: what the public record shows
Before you compare quotes, it helps to know which wildlife actually live in Wyoming, when they are busiest around Casper, and what the state figures look like. Everything below links to the agency or university page it came from.
Canada goose nests and eggs
WGFD holds a statewide USFWS permit and enrols landowners as sub-permittees for egg oiling; hazing and scaring need no permit.
Wyoming Game and Fish DepartmentNuisance Wildlife species recorded in Wyoming
- Raccoon (Procyon lotor) — Top terrestrial rabies vector in the East; relocation banned in most states.
- Striped skunk (Mephitis mephitis) — Primary rabies reservoir in Texas and the central U.S.; Illinois requires euthanasia of trapped striped skunks.
When wildlife are busiest around Casper
Fall/winter den-seeking; June-July bat blackout. Upper Midwest: bats and skunks are the reservoirs; raccoon rabies absent.
Based on Casper’s semi-arid continental climate profile.
Rules that apply in Wyoming
For context, nationally
- Around 4,000; more than 90% in wildlife — Animal rabies cases reported per year. CDC
- More than 20% each — Skunks and foxes that expose people or pets and are rabid. CDC
Sources: Wyoming Game and Fish Department; Rabies in the United States: Protecting Public Health; Class A (commercial) Nuisance Wildlife Control Permit study packet (17 Ill. Adm. Code 525). Figures are quoted as the source prints them. How we check our sources
Simple ways to keep wildlife away
- Use locking or strapped trash lids.
- Bring pet food in at night.
- Cap the chimney.
- Trim branches back from the roof.
- Bury wire mesh around decks and sheds.
- Pick up fallen fruit and spilled bird seed.
Metal mesh keeps animals out of vents for good. Foam and light screen won't hold.Did you know?
Opossums play dead involuntarily; the response is a fainting reflex
Groundhogs whistle to warn each other, earning the name whistle-pig
Questions people ask
What animal is in my attic?
Quick scurrying at dawn: squirrels. Rustling at dusk: bats.
Do wildlife pros use poison?
No. Poisons aren't used on wildlife like raccoons or squirrels. Ask what any chemical is for.
Can the animal just be relocated?
Often not. Many states, Wyoming included in some cases, limit moving trapped animals. Ask your provider.
How do I get rid of a skunk under my deck?
Wait until it leaves at night. Then close the gap with buried wire mesh.
How do I choose a wildlife company?
Look for someone licensed for wildlife work in Wyoming. Ask how they handle babies and what they seal with.
How much do homeowners typically spend dealing with nuisance wildlife?
For Casper homes, nuisance wildlife is usually removed by trapping, then the entry points are sealed so the next animal cannot move into the same spot. For Casper homes, because many animals are protected by state rules, removal has to be done legally, and a written plan should spell out removal, exclusion, and cleanup.
Which animals are most common around Casper?
Mostly raccoons, squirrels, skunks and bats.
When are wild animal babies born in Casper?
Usually from about April through June. Don't seal a hole while babies are inside.
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Sources (10)
The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Wildlife Exterminator · Updated September 11, 2026 · How we write these guides